The tool asks users to answer a series of questions pertaining to risk factors, recent exposure, and symptoms. Once this is done, they will receive CDC recommendations and guidance on social distancing and self-isolating. They will also receive guidance on when to contact a medical provider, how to closely monitor symptoms, and whether or not a test is recommended at this time. These questions are similar to what Siri asks when the users ask if they have coronavirus.

While the screening tool was created in partnership with the CDC, the White House Coronavirus Task Force, and FEMA, Apple has stated that it is essentially a 'resource' for users, not a substitute for guidance and supervision from healthcare providers and authorities.